mirror of
https://github.com/0glabs/0g-chain.git
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a573625df8
* bump SDK version to v0.38.3 Co-authored-by: Denali Marsh <denali@kava.io> Co-authored-by: Kevin Davis <kjydavis3@gmail.com> Co-authored-by: Kevin Davis <karzak@users.noreply.github.com> Co-authored-by: denalimarsh <denalimarsh@gmail.com> Co-authored-by: rhuairahrighairigh <ruaridh.odonnell@gmail.com>
74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
package simulation
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import (
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"fmt"
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"time"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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"github.com/cosmos/cosmos-sdk/x/simulation"
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"github.com/kava-labs/kava/x/pricefeed/types"
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pricefeed "github.com/kava-labs/kava/x/pricefeed/types"
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)
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var (
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// BaseAssets is a list of collateral asset denoms
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BaseAssets = [3]string{"bnb", "xrp", "btc"}
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QuoteAsset = "usd"
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)
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// RandomizedGenState generates a random GenesisState for pricefeed
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func RandomizedGenState(simState *module.SimulationState) {
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pricefeedGenesis := loadPricefeedGenState(simState)
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fmt.Printf("Selected randomly generated %s parameters:\n%s\n", types.ModuleName, codec.MustMarshalJSONIndent(simState.Cdc, pricefeedGenesis))
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simState.GenState[types.ModuleName] = simState.Cdc.MustMarshalJSON(pricefeedGenesis)
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}
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// loadPricefeedGenState loads a valid pricefeed gen state
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func loadPricefeedGenState(simState *module.SimulationState) pricefeed.GenesisState {
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var markets []pricefeed.Market
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var postedPrices []pricefeed.PostedPrice
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for _, denom := range BaseAssets {
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// Select an account to be the oracle
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oracle, _ := simulation.RandomAcc(simState.Rand, simState.Accounts)
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marketID := fmt.Sprintf("%s:%s", denom, QuoteAsset)
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// Construct market for asset
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market := pricefeed.Market{
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MarketID: marketID,
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BaseAsset: denom,
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QuoteAsset: QuoteAsset,
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Oracles: []sdk.AccAddress{oracle.Address},
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Active: true,
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}
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// Construct posted price for asset
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postedPrice := pricefeed.PostedPrice{
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MarketID: market.MarketID,
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OracleAddress: oracle.Address,
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Price: getInitialPrice(marketID),
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Expiry: simState.GenTimestamp.Add(time.Hour * 24),
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}
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markets = append(markets, market)
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postedPrices = append(postedPrices, postedPrice)
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}
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params := pricefeed.NewParams(markets)
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return pricefeed.NewGenesisState(params, postedPrices)
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}
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// getInitialPrice gets the starting price for each of the base assets
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func getInitialPrice(marketID string) (price sdk.Dec) {
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switch marketID {
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case "btc:usd":
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return sdk.MustNewDecFromStr("7000")
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case "bnb:usd":
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return sdk.MustNewDecFromStr("14")
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case "xrp:usd":
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return sdk.MustNewDecFromStr("0.2")
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default:
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return sdk.MustNewDecFromStr("20") // Catch future additional assets
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}
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}
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